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the Destruction of the Forest Electrical Inﬂuence of Trees Chemical Inﬂuence
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acres action agricultural American ancient animals Aragua Ardeche artiﬁcial atmosphere basin birds canals causes century channel character Clavé clearing climate coast conﬁned consequently countries covered cubic cultivation deposit depth desert destruction dikes draining dunes earth effects Egypt Europe evaporation extent fact feet felling fertile ﬁelds ﬁfty ﬁlled ﬁnally ﬁnd ﬁne ﬁre ﬁrst ﬁsh ﬁve ﬂoods ﬂow ﬂuid forest France geographical George Perkins Marsh ground growth heat human humidity hundred important increase inﬁltration inﬂuence insects inundations irrigation islands Italy lake land less Lombardy man’s Maremma maritime pine Marsh later miles moisture mountains nature Nile observed pine plains plants precipitation present produced proportion protected quadrupeds quantity rain rivers rock roots sand season snow soil species springs square miles strata stratum streams superﬁcial supply supposed surface temperature tion torrents trees Val di Chiana valley vegetable Vermont wild wind winter woods Zuiderzee